A beam of mass selected SF 5 + ions is crossed with a pulsed CO2 laser beam. The distribution of lifetimes of infrared multiple-photon pumped SF 5 + ion-molecules prior to dissociation into SF 4 + +F has been measured directly using a time-of-flight ion-beam technique. The data provide new information on the distribution of the total internal energy of molecules excited by absorption of infrared radiation.
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von Hellfeld, A., Arndt, B., Feldmann, D. et al. Direct measurement of lifetimes of infrared multiple-photon dissociated molecules. Appl. Phys. 21, 9–11 (1980). https://doi.org/10.1007/BF00886476